regress/lib/libc/locale/mbtowc/mbtowc_test.c

   1 /* $NetBSD: mbtowc_test.c,v 1.1 2007/09/18 15:12:09 tnozaki Exp $ */
   2
   3 /*-
   4  * Copyright (c)2007 Citrus Project,
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  */
  29 #include <assert.h>
  30 #include <errno.h>
  31 #include <locale.h>
  32 #include <limits.h>
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <string.h>
  36
  37 int
  38 main(int argc, char *argv[])
  39 {
  40         int i;
  41         const char *testcase;
  42         char path[PATH_MAX + 1];
  43         char *s;
  44         size_t stateful, n, ret;
  45         FILE *fp;
  46
  47         for (i = 1; i < argc; ++i) {
  48
  49                 testcase = (const char *)argv[i];
  50                 s = setlocale(LC_CTYPE, (const char *)testcase);
  51                 assert(s != NULL && !strcmp(s, testcase));
  52                 stateful = wctomb(NULL, L'\0');
  53
  54                 /* initialize internal state */
  55                 ret = mbtowc(NULL, NULL, 0);
  56                 assert(stateful ? ret : !ret);
  57
  58                 snprintf(path, sizeof(path), FILEDIR"/%s", testcase);
  59                 fp = fopen(path, "r");
  60                 assert(fp != NULL);
  61
  62                 /* illegal multibyte sequence case */
  63                 s = fgetln(fp, &n);
  64                 assert(s != NULL);
  65                 ret = mbtowc(NULL, s, n - 1);
  66                 assert(ret == (size_t)-1 && errno == EILSEQ);
  67
  68                 /* if this is stateless encoding, this re-initialization is not required. */
  69                 if (stateful) {
  70                         /* re-initialize internal state */
  71                         ret = mbtowc(NULL, NULL, 0);
  72                         assert(stateful ? ret : !ret);
  73                 }
  74
  75                 /* valid multibyte sequence case */
  76                 s = fgetln(fp, &n);
  77                 errno = 0;
  78                 ret = mbtowc(NULL, s, n - 1);
  79                 assert(ret != (size_t)-1 && errno == 0);
  80
  81                 fclose(fp);
  82         }
  83         return 0;
  84 }